Wood bison are the largest native land mammals in the Western Hemisphere, 10 to 15% heavier than plains bison. Bulls are slightly larger than cows and average around 1,800 pounds, but can get up to 2,000 pounds. Both males and females have short...

In 1835, the practice of pony penning began, with settlers rounding up ponies and removing some of them to the mainland. In 1924 the first official "Pony Penning Day" was held by the Chincoteague Volunteer Fire Company, where ponies were auctioned...

The peacock larkspur is found only in the Willamette Valley of Oregon. Presently, the natural vegetation of the Willamette Valley is experiencing a threat not altogether different in magnitude from the Missoula Floods - human development. Since...

FWS personnel banding a Brown Pelican. Pelicans almost disappeared from Texas because they were poisoned by the pesticide DDT, which caused them to lay thin-shelled eggs which broke during incubation. Because they were not able to produce young,...

The Ozark cavefish is found in small cave streams with pool areas. The water source is almost always an upwelling from the groundwater table. Suitable caves are usually found in the vicinity of large permanent streams. Over collecting and pollution...

Phacelia submutica is a low-growing, herbaceous, spring annual plant with a tap root. The stems are typically 0.8 to 3 in (2 to 8 cm) long, often branched at the base and mostly lying flat on the ground as a low rosette (Howell 1944, pp....

Phacelia submutica is a low-growing, herbaceous, spring annual plant with a tap root. The stems are typically 0.8 to 3 in (2 to 8 cm) long, often branched at the base and mostly lying flat on the ground as a low rosette (Howell 1944, pp....

Phacelia submutica is a low-growing, herbaceous, spring annual plant with a tap root. The stems are typically 0.8 to 3 in (2 to 8 cm) long, often branched at the base and mostly lying flat on the ground as a low rosette (Howell 1944, pp....

Phacelia submutica is a low-growing, herbaceous, spring annual plant with a tap root. The stems are typically 0.8 to 3 in (2 to 8 cm) long, often branched at the base and mostly lying flat on the ground as a low rosette (Howell 1944, pp....

In 1835, the practice of pony penning began, with settlers rounding up ponies and removing some of them to the mainland. In 1924 the first official "Pony Penning Day" was held by the Chincoteague Volunteer Fire Company, where ponies were auctioned...

In 1835, the practice of pony penning began, with settlers rounding up ponies and removing some of them to the mainland. In 1924 the first official "Pony Penning Day" was held by the Chincoteague Volunteer Fire Company, where ponies were auctioned...

"General", William Finley's pet condor at his home in Oregon known as Jennings Lodge. "He loved to sit, with wings spread wide to the sun and watching life on the river. Almost daily a turkey-vulture sailed overhead, turning to look at him, not...

In 1835, the practice of pony penning began, with settlers rounding up ponies and removing some of them to the mainland. In 1924 the first official "Pony Penning Day" was held by the Chincoteague Volunteer Fire Company, where ponies were auctioned...

In 1835, the practice of pony penning began, with settlers rounding up ponies and removing some of them to the mainland. In 1924 the first official "Pony Penning Day" was held by the Chincoteague Volunteer Fire Company, where ponies were auctioned...